
/*导航*/
.propaganda{
    width: 100%;
    height: 384px;
    margin: 0 auto;
    position: relative;
    background : #efefef url('../img/aboutbg.png') no-repeat center;
    background-size: 1920px 434px;
    border-top: 2px solid #f26d1c;
}
.propaganda .tab{
    bottom: 0;
    left: 50%;
    margin-left: -600px;
    width: 1200px;
    height: 55px;
    position: absolute;
}
.propaganda .tab div{
    width: 170px;
    height: 100%;
    display: inline-block;
    background: #FFFFFF;
    text-align: center;
    line-height: 55px;
    font-weight: bold;
}
.propaganda .tab a{
    color: #f26d1c;
    text-decoration: none;
}
.propaganda .tab>a:nth-child(2) div{
    color: #FFFFFF;
    /*background: linear-gradient(110deg, transparent 20px, #58a 0) top left;*/
    background: rgba(78,103,121,0.9);
}
.propaganda .tab>a:nth-child(2) div{
    color: #FFFFFF;
    /*background: linear-gradient(110deg, transparent 20px, #58a 0) top left;*/

    background: rgba(78,103,121,0.9);
}
.propaganda .tab a div.on{
    color: #f26d1c;
    background: linear-gradient(110deg, transparent 20px, #fff 0) top left;
}
.propaganda .tab a.claue:nth-child(1) div{
    color: #fff;
    background: linear-gradient(110deg, transparent 20px,  rgba(78,103,121,0.9) 0) top left;
}
.propaganda .tab a.claue:nth-child(1) div{
    color: #fff;
    background: linear-gradient(110deg, transparent 20px,  rgba(78,103,121,0.9) 0) top left;
}
.propaganda .tab a.on2  div{
    color: #f26d1c;
    background: #fff;
}
/*内容*/
.content_nr{
    width: 1200px;
    background: #fff;
    padding: 50px 30px
}
.content_nr .title{
    position: relative;
    width: 100%;
    margin-bottom: 30px;
}
.content_nr .title span:nth-child(1){
    position: relative;
    top:12px;
}
.content_nr .title span:nth-child(2){
    position: relative;
    color: #f26d1c;
    font-weight: bolder;
    font-size: 18px;
    left: 10px;
}
.content_nr .title span:nth-child(3){
    position: absolute;
    width: 86.7%;
    border-bottom: 1px solid #f26d1c;
    left:12%;
    top:73%;
}
.content_nr .nr{
    padding-left: 20px;
    width: 97.5%;
}
.content_nr .nr p{
    color: #292c38;
    font-size: 14px;
    line-height: 30px;
    margin-bottom: 20px;
}
.content_nr .nr2 p{
    color: #000;
    font-weight: bolder;
}
.content_nr .nr3{
    min-height: 600px;
}
.header>div:last-child a:first-child span{
    color: #f26d1c;
}
.header{
    height: 86px;
}
.header>div:last-child{
    margin-top: 14px;
}